FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Set up cache directory
RUN mkdir -p /app/cache && chmod -R 777 /app/cache
ENV HF_HOME=/app/cache

# Set environment variables for proper eventlet operation
ENV PYTHONUNBUFFERED=1
ENV EVENTLET_NO_GREENDNS=yes
ENV EVENTLET_THREADPOOL_SIZE=32
ENV EVENTLET_WEBSOCKET_MONITOR_TIMEOUT=60
ENV EVENTLET_NONBLOCKING=1
ENV GUNICORN_TIMEOUT=300
ENV GUNICORN_WORKER_CLASS=eventlet
ENV GUNICORN_WORKERS=1
ENV GUNICORN_WORKER_CONNECTIONS=1000
ENV GUNICORN_KEEP_ALIVE=65
ENV GUNICORN_LOG_LEVEL=debug

# Copy application files
COPY . /app

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Create gunicorn config file
RUN echo 'worker_class = "eventlet"' > gunicorn.conf.py && \
    echo 'workers = 1' >> gunicorn.conf.py && \
    echo 'worker_connections = 1000' >> gunicorn.conf.py && \
    echo 'timeout = 300' >> gunicorn.conf.py && \
    echo 'keepalive = 65' >> gunicorn.conf.py && \
    echo 'loglevel = "debug"' >> gunicorn.conf.py

EXPOSE 7860

# Modified command with explicit configuration
CMD ["gunicorn", \
     "--config", "gunicorn.conf.py", \
     "--bind", "0.0.0.0:7860", \
     "--access-logfile", "-", \
     "--error-logfile", "-", \
     "app:app"]